A system for managing an operation status of an output apparatus includes a memory to store apparatus log information of the output apparatus, and apparatus history information including information indicating a history of one or more groups that have possessed the output apparatus, and information indicating a placement period that the output apparatus has been possessed by each group, and circuitry to extract information indicating the one or more groups that have possessed the output apparatus for a given operation monitoring period, and information indicating the placement period that the output apparatus has been possessed by each group, and generate operation monitoring information for each group in the given operation monitoring period, based on the apparatus log information of the output apparatus, and the information of the placement period of the output apparatus in the given operation monitoring period for each group.